Don't use any cleaners or solvents on your HoloLens, and don't submerge it in water or apply water directly to it.

To clean the visor, remove any dust using a camel or goat hair lens brush or a bulb-style lens blower. Lightly moisten the microfiber cloth with a small amount of distilled water, then use it to wipe the visor gently in a circular motion.

Clean the rest of the device, including the headband and device arms, with a lint-free cloth moistened with mild soap and water. Let your HoloLens dry completely before using it again.